January Weather in Lao Cai, Vietnam

Last updated: August 28, 2025

January in Lao Cai, Vietnam offers a mild and varied climate perfect for exploration. With maximum temperatures reaching 26°C (78°F) and an average of 15°C (59°F), residents and visitors alike can enjoy comfortable days. However, nights can be cool, dipping to a brisk 4°C (39°F). It’s important to note that January is characterized by frequent rainfall, with 109 mm (4.3 in) of precipitation spread over 18 days, contributing to an overall humidity level of 57%. This blend of temperatures and moisture creates lush landscapes, making it a beautiful yet unpredictable time to experience the region's natural beauty.

January Temperature in Lao Cai

In January, Lao Cai, Vietnam experiences a delightful range of temperatures, starting with a cool minimum of 4°C (39°F) and peaking at a comfortable 26°C (78°F). With an average of 15°C (59°F), this month serves as a gentle transition from the colder winter months to the warmer spring days. As the year progresses into February and beyond, temperatures steadily rise, evident in the noteworthy increase in both minimum and maximum values, reaching a high of 31°C (87°F) in February. The ascent continues through the spring months, where the average temperature touches 22°C (72°F) in April, ultimately soaring to as high as 37°C (99°F) by May. This gradual warmth signals the approach of summer, highlighting Lao Cai's vibrant climatic shifts, where each month unveils a new facet of its enchanting weather.

January Weather in Lao Cai: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Lao Cai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lao Cai, January typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec596067717781797977726659
Data source: Temperature data for Lao Cai generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Lao Cai

In Lao Cai, Vietnam, January marks the beginning of a wet season, showcasing an average precipitation of 109 mm (4.3 in) over approximately 18 days. This sets the tone for the following months, as rainfall tends to increase with the approach of spring. Compared to February's slightly lower rainfall of 105 mm (4.1 in), January establishes a consistent pattern of dampness that paves the way for a significant spike in precipitation as the year progresses, most notably in March, where rainfall reaches 167 mm (6.6 in) amidst 23 rainy days. The trend continues into the summer months, peaking dramatically in August with 313 mm (12.3 in). Despite the variability, January serves as an essential precursor to the region's lush vegetation, heralding the transition from cooler months to the vibrant greenery that follows.

January Precipitation Trends in Lao Cai

The chart displays monthly precipitation patterns in Lao Cai, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Lao Cai, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec10910516719516020222531319321710097
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Lao Cai

In January, Lao Cai, Vietnam, experiences a moderate humidity level of 57%, making it a pleasant time for outdoor activities as the air remains relatively crisp. As the season transitions into February, humidity rises significantly to 67%, hinting at the upcoming wet season. By March, levels dip slightly back to 58%, but the trend is unmistakable—humidity steadily increases towards the summer months, peaking at a remarkable 90% in both July and August. This pattern underscores the region's tropical climate, where humidity not only surges during the rainy season but also remains elevated well into the fall. The gradual decline begins in September, dropping to 81%, and continues through to the end of the year, wrapping up in December at 69%.

January Average Humidity in Lao Cai

This chart illustrates the average monthly humidity levels in Lao Cai, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Lao Cai is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec57%67%58%53%69%83%90%90%81%75%74%69%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Lao Cai

In January, Lao Cai, Vietnam, experiences a UV Index of 8, placing it in the very high exposure category with a burn time of just 15 minutes. As the year progresses, the UV Index escalates, peaking at an extreme 14 from May to August, where a quick ten-minute exposure can lead to sunburn. Interestingly, the intensity then begins to taper off, with a UV Index of 9 in November, returning to the very high category before dropping to a moderate 7 by December. This trend highlights the importance of sun safety, especially during the hotter months. For detailed daily forecasts and safety tips, visit the Lao Cai UV Index.

Maximum UV Index Levels in Lao Cai for January

The chart shows the monthly maximum UV Index (UVI) for Lao Cai in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Lao Cai typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810121314141414131297
Data source: Lao Cai January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

January Sunshine in Lao Cai

In January, Lao Cai, Vietnam, welcomes the new year with 173 hours of sunshine, a gentle start to the vibrant, sun-kissed months ahead. As winter transitions into spring, February sees a surge to 230 hours, hinting at the brightening days to come. This optimistic trend continues into March, where the sunshine reaches its peak with a remarkable 274 hours. The pleasant rays maintain their strength through April and May, averaging well over 250 hours, making these months particularly delightful for exploration and outdoor activities. However, as the year unfolds into the warmer months, the sunshine remains abundant but slightly diminishes, with June to August showing subtle declines, yet still offering robust sunlight between 279 and 285 hours. The autumn months, September through November, ensure that Lao Cai remains bathed in over 240 hours of sunshine, creating a perfect backdrop for experiencing the region's breathtaking landscapes. With December mirroring the earlier sentiment, the sunshine lingers, rounding out the year with a comforting glow, illustrating that while each month may vary, the allure of sunlight in Lao Cai remains a steadfast companion throughout the year.

Monthly Sunshine Duration in Lao Cai: January Highlighted

The January sunshine duration represents the total number of hours Lao Cai experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec173h230h274h256h313h285h284h279h288h262h242h242h
Data source: Lao Cai January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lao Cai During January

In Lao Cai, Vietnam, January offers a moderate 33% chance of sunny weather, setting the tone for the year ahead. This likelihood is slightly higher than February's 27% and aligns closely with March's 34%, suggesting a promising start to the dry season. As the months progress, sunshine becomes more frequent, peaking at 41% in December after a decline during the sweltering summer months of June and July. The overall trend indicates that while January may not be the sunniest month, it stands as a bridge to the more radiant days approaching in the spring and autumn.

Percentage of Sunny Days in January in Lao Cai

The chart illustrates the percentage of sunny days in Lao Cai throughout the year, with January highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Lao Cai experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec33%27%34%29%37%14%15%19%38%27%24%41%
Data source: Lao Cai January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lao Cai in January

In Lao Cai, Vietnam, January marks the beginning of the year with a modest 10 hours of daylight, setting the stage for a gradual lengthening of days. As the months progress into February, residents enjoy an extra hour, reaching 11 hours, and by March, the days extend further to 12 hours, capturing the vibrant essence of spring. This daylight duration remains steady into April and August, offering 12 hours of light as nature flourishes. As May, June, and July arrive, daylight peaks at an invigorating 13 hours, ideal for outdoor activities and exploration. However, a subtle decline begins in August, where daylight recedes to 12 hours before dipping back down gradually through the fall and winter months. By the time December returns, the cycle concludes where it began, with 10 hours of daylight, reminding us of the natural rhythm of the seasons that shape life in this beautiful region.

Average Daylight Hours in Lao Cai for January

The chart illustrates the variation in daylight duration in Lao Cai throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 54m11h 23m12h 1m12h 40m13h 12m13h 28m13h 20m12h 52m12h 14m11h 36m11h 2m10h 45m
Data source: Lao Cai daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Lao Cai

As January settles over Lao Cai, Vietnam, the region experiences a gentle breeze with an average wind speed of 1.3 m/s (3 mph), a figure that remains consistent with both the preceding month and the following one. This steady wind pattern, shared with February, gradually shifts throughout the year, peaking slightly in March at 1.4 m/s before tapering off in the warmer months, reaching its lowest in July and August at 1.0 m/s (2 mph). The returning coolness of autumn brings a mild resurgence in wind speeds come October, hinting at the seasonal transitions that define this picturesque area. Overall, January's serene winds not only set a tranquil tone for the month but also reflect a rhythmic flow in Lao Cai’s climate, creating a backdrop for the vibrant landscapes and cultural richness of the region.

Average January Wind Speed in Lao Cai

The chart displays monthly wind speed patterns in Lao Cai, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.3 m/s1.31.41.31.21.11.01.01.01.21.11.1
Data source: Lao Cai January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Lao Cai Compares to Other Months

Weather in Lao Cai varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Lao Cai, focusing on differences in temperature, rainfall, humidity, and UV levels.

January and February exhibit mild and relatively similar weather patterns, yet each offers distinct characteristics. In January, temperatures range from a minimum of 4°C (39°F) to a maximum of 26°C (78°F), with an average of 15°C (59°F). The month sees about 109 mm (4.3 in) of rainfall spread over 18 days, accompanied by a humidity level of 57%. In contrast, February brings slightly warmer temperatures, with a minimum of 6°C (42°F), an average of 16°C (60°F), and a high of 31°C (87°F). Precipitation is marginally less at 105 mm (4.1 in), still over the same 18 days, but humidity increases to 67%. For a more detailed insight into weather conditions in February, you can visit Lao Cai weather in February.

In comparison to January, March experiences a notable rise in temperatures, with minimums increasing from 4°C (39°F) to 11°C (52°F) and average highs climbing from 15°C (59°F) to 19°C (67°F). March also boasts maximum temperatures reaching up to 33°C (91°F), significantly warmer than January's peak of 26°C (78°F). However, it is accompanied by increased precipitation, with March receiving 167 mm (6.6 in) over 23 days, compared to January's 109 mm (4.3 in) over 18 days. Humidity levels remain fairly consistent, with January at 57% and March slightly higher at 58%. For more detailed information on the conditions of March, visit Lao Cai weather in March.

In January, the weather tends to be milder, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 26°C (78°F). The month experiences about 109 mm (4.3 in) of precipitation over 18 days, with humidity levels around 57%. In contrast, April brings more warmth, with temperatures soaring from a minimum of 11°C (52°F) to a peak of 36°C (98°F) and an average of 22°C (72°F). This month also sees increased rainfall, with approximately 195 mm (7.7 in) spread across 19 days, while humidity slightly drops to 53%. For more details on the differences in weather during April, you can check out Lao Cai weather in April.

In January, the weather is considerably cooler with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 26°C (78°F). The average temperature sits at around 15°C (59°F), and the month experiences approximately 109 mm (4.3 in) of precipitation over 18 days, with humidity levels at 57%.

In contrast, May brings much warmer conditions, with temperatures ranging from a low of 15°C (60°F) to a scorching high of 37°C (99°F). The average temperature increases to 25°C (77°F), and the month sees higher precipitation at 160 mm (6.3 in) over 19 days, along with a rise in humidity to 69%. For more details on the weather in May, check out Lao Cai weather in May.

In January, the weather is quite mild with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 26°C (78°F) and a comfortable average of 15°C (59°F). However, February experiences more precipitation, with 109 mm (4.3 in) falling over 18 days, and the humidity levels are relatively lower at 57%. In contrast, June brings significantly warmer temperatures, with a minimum of 20°C (68°F) and a maximum of 36°C (97°F), resulting in an average temperature of 27°C (81°F). The amount of precipitation also increases to 202 mm (7.9 in) across 20 days, and humidity rises to 83%, making the atmosphere feel more tropical. For more detailed information, check out Lao Cai weather in June.

In January, the weather is mild and pleasant, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 26°C (78°F) and an average of 15°C (59°F). There is significant rainfall, totaling 109 mm (4.3 in) over approximately 18 days, accompanied by a humidity level of around 57%. In contrast, July experiences much warmer temperatures, with a minimum of 22°C (72°F) and a maximum reaching 35°C (96°F), averaging 26°C (80°F). The month sees an increase in precipitation to 225 mm (8.8 in), occurring over 24 days, along with higher humidity levels at 90%. For more detailed information, you can check Lao Cai weather in July.

January and August present stark contrasts in weather. In January, temperatures range from a chilly minimum of 4°C (39°F) to a pleasant maximum of 26°C (78°F), with an average of 15°C (59°F). The month sees about 109 mm (4.3 in) of precipitation over 18 days, and humidity hovers around 57%. In contrast, August brings much warmer conditions, with lows starting at 21°C (71°F) and rising to a hot 35°C (96°F), averaging 26°C (80°F). This month is also significantly wetter, with 313 mm (12.3 in) of rain over 22 days and a higher humidity level of 90%. For those interested in more details, check out Lao Cai weather in August.

In January, the weather in the region features a mild temperature range, with minimums around 4°C (39°F) and maximums peaking at 26°C (78°F), resulting in an average of 15°C (59°F). The month also experiences moderate precipitation, totaling 109 mm (4.3 in) over 18 days, alongside a humidity level of 57%.

In contrast, September brings significantly warmer temperatures, with minimums at 18°C (64°F), averages climbing to 25°C (77°F), and highs reaching up to 34°C (93°F). This month is also wetter, with precipitation amounting to 193 mm (7.6 in) spread across 20 days, and an increased humidity level of 81%. For a closer look at September's climate, visit Lao Cai weather in September.

In comparing the weather between January and October, January tends to have milder temperatures with a minimum of 4°C (39°F) and a maximum of 26°C (78°F), resulting in an average temperature of 15°C (59°F). The month also experiences a moderate level of precipitation, with 109 mm (4.3 in) over 18 days and a humidity level of 57%. In contrast, October is warmer, showcasing a minimum temperature of 14°C (57°F) and peaking at 31°C (88°F), giving an average of 22°C (72°F). This month also sees higher precipitation, totaling 217 mm (8.6 in) over 22 days, along with increased humidity at 75%. For more specific details about October's weather, you can visit Lao Cai weather in October.

In comparing the weather of January and November, we see notable differences in temperature and humidity. January generally experiences lower temperatures with a minimum of 4°C (39°F) and an average of 15°C (59°F), while November sees milder conditions with a minimum of 10°C (51°F) and an average of 19°C (66°F). Both months have similar precipitation levels, with January receiving 109 mm (4.3 in) and November slightly less at 100 mm (3.9 in), each spanning around 18 rainy days. However, humidity levels are significantly higher in November at 74%, compared to 57% in January, resulting in a more tropical feel as the year comes to a close. For more details on November weather, you can check out Lao Cai weather in November.

In comparing the weather between January and December, we find that both months share similar average temperatures, with January having a minimum of 4°C (39°F) and December just slightly cooler at 3°C (38°F). Both months also reach a maximum temperature of 26°C (78°F), but January tends to experience more precipitation, with 109 mm (4.3 in) over 18 days compared to December's 97 mm (3.8 in) spread over 15 days. Additionally, January has a lower humidity level at 57%, while December is more humid at 69%. For more details on December weather, you can check Lao Cai weather in December.

Compare Lao Cai's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Lao Cai

In January, Lao Cai experiences a transition into cooler weather, characterized by mild temperatures that can reach up to 26°C during the day but drop significantly at night. This month stands out with relatively high precipitation, seeing about 18 rainy days, which contributes to the region’s lush landscapes but can also lead to overcast skies. Compared to the warmer months, January's average temperature and increased humidity create a refreshing atmosphere, making it an ideal time for those who enjoy cooler climates. For a deeper understanding of what to expect throughout the year, explore more about Lao Cai Climate.